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230066641 = 743764341
BaseRepresentation
bin11011011011010…
…00100111010001
3121000220121002201
431231220213101
5432344113031
634455043201
75462351140
oct1555504721
9530817081
10230066641
11108959522
1265070501
133888370c
14227ab757
15152e7d61
hexdb689d1

230066641 has 8 divisors (see below), whose sum is σ = 269048384. Its totient is φ = 192613680.

The previous prime is 230066609. The next prime is 230066689. The reversal of 230066641 is 146660032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230066641 - 25 = 230066609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230066741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381870 + ... + 382471.

It is an arithmetic number, because the mean of its divisors is an integer number (33631048).

Almost surely, 2230066641 is an apocalyptic number.

It is an amenable number.

230066641 is a deficient number, since it is larger than the sum of its proper divisors (38981743).

230066641 is an equidigital number, since it uses as much as digits as its factorization.

230066641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764391.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 230066641 is about 15167.9478176845. The cubic root of 230066641 is about 612.7517363672.

The spelling of 230066641 in words is "two hundred thirty million, sixty-six thousand, six hundred forty-one".

Divisors: 1 7 43 301 764341 5350387 32866663 230066641